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Our Best Sellers collection

Explore Premium Fitness & Activewear Best Sellers

Refresh your workout wardrobe with fitness and activewear from Allen Fitness. Explore this collection for your next gym session, running routine or everyday active look.

Keep your style focused on you. Choose pieces that suit the way you train, pair them with your favourite essentials and create an outfit that takes you from workout time to downtime.

Browse the collection and find your next fitness favourite. Check each product page for sizing, materials and care details before choosing your fit.

1322 products 1322 products

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    Athena Swimsuit

    Sale price: £48.96 Regular price: £74.46 Save 34%
  • A woman modeling a matching lavender-purple activewear set consisting of a sports bra and high-waisted leggings, paired with white sneakers, against a plain white studio background.

    Seamless Yoga Set

    Sale price: £53.30 Regular price: £61.20 Save 13%
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    French Terry Elastic Waist Pullover & Joggers Set

    Sale price: £44.37 Regular price: £66.30 Save 33%
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    Valery Swimsuit

    Sale price: £42.08 Regular price: £74.46 Save 43%
  • Paisley One Piece Swimsuit - Premium Fitness & Activewear for Men & Women|UK

    Paisley One-Piece Swimwear for Stylish Pool Days

    Sale price: £42.08 Regular price: £74.46 Save 43%
  • Person wearing a black hoodie with 'Academy' and '1982' text on a beige background

    Graphic Kangaroo Pocket Drawstring Hoodie

    Sale price: £39.53 Regular price: £69.36 Save 43%
  • Woman wearing a black sweater and pants against a beige background

    Classic Poly Fleece Crewneck Pullover

    Sale price: £42.59 Regular price: £48.96 Save 13%
  • Red sweatshirt worn by a person on a white background

    Men's Casual Long Sleeve Pullover Sweatshirts

    Sale price: £46.16 Regular price: £61.90 Save 25%
  • Woman wearing a black sweatshirt with 'MAINE 1997' text, standing against a white background

    Plus Size Graphic Drop Shoulder Sweatshirt

    Sale price: £35.45 Regular price: £61.20 Save 42%
  • A woman modeling a bright pink ribbed two-piece set consisting of a sleeveless halter crop top and matching wide-leg pants, photographed against a plain light gray studio background.

    Plus Ribbed Cropped Top And Bootcut Pants Sets

    Sale price: £43.55 Regular price: £77.52 Save 44%
  • Maroon sweatpants worn by a person on a beige background

    Drawstring Waist Slant Pocket Sweatpants

    Sale price: £34.43 Regular price: £59.16 Save 42%
  • Oversized Sweat Tracksuit Set - Premium Fitness & Activewear for Men & Women|UK

    Oversized Sweat Tracksuit Set

    Sale price: £59.67 Regular price: £67.86 Save 12%
  • Thin Waistband Drop Crotch Joggers - Premium Fitness & Activewear for Men & Women|UK

    Thin Waistband Drop Crotch Joggers

    Sale price: £36.21 Regular price: £52.51 Save 31%
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    Casual Color Block Two Piece Set

    Sale price: £45.65 Regular price: £61.20 Save 25%
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    Seamless Color Block Yoga Set

    Sale price: £53.30 Regular price: £91.80 Save 42%
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    Unisex Side Stripe Track Jacket

    Sale price: £46.16 Regular price: £61.20 Save 25%
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    Mens Camo Ombre Print Track Pants

    Sale price: £54.83 Regular price: £97.92 Save 44%
  • AirSculpt™ 28″ High Rise Legging - Black - Premium Fitness & Activewear for Men & Women|UK

    AirSculpt™ 28″ High Rise Legging

    Sale price: £30.59 Regular price: £33.69 Save 9%
  • Black Official Saint Hoodie - Stylish and Comfortable - Premium Fitness & Activewear for Men & Women|UK

    Black Official Saint Hoodie - Stylish and Comfortable

    Sale price: £51.95 Regular price: £85.71 Save 39%
  • Fighter Ribbed Active Legging In Infinity Seamless - Charcoal - Premium Fitness & Activewear for Men & Women|UK

    Fighter Ribbed Active Legging In Infinity Seamless - Charcoal

    Sale price: £38.75 Regular price: £40.47 Save 4%